<template>
  <div>
    <!-- :http-request覆盖默认action-->
    <el-upload
      class="avatar-uploader"
      action="#"
      :http-request="httpRequest"
      :show-file-list="false"
      :on-success="handleAvatarSuccess"
      :before-upload="beforeAvatarUpload">
      <img style="width: 100px" v-if="imageUrl" :src="imageUrl" class="avatar">
      <i v-else class="el-icon-plus avatar-uploader-icon"></i>
    </el-upload>
  </div>
</template>

<script>
import {userUpdate} from "@/api/user";
import {imgSave} from "@/api/img";

export default {
  name: "avatarUpload",
  props: ['userId'],
  data() {
    return {
      imageUrl: '',
    };
  },
  methods: {
    httpRequest(data){
      /*自定义上传*/

      let formData = new FormData();
      formData.append('file', data.file);
      //使用raw才能正常上传

      imgSave(formData).then(
        res=>{
          console.log(res)
          if (res.code===0) {
            this.$message({
              type: 'success',
              message: '头像修改成功！'
            })

            //修改头像路径
            ////上传，将数组变为字符串上传
            let params = {
              userId : this.userId,
              userAvatar: res.data.imgLocation
            };
            this.imageUrl = res.data.imgLocation
            userUpdate(params).then(
              res=>{
                //修改信息反馈
                console.log(res)
              }
            )
          } else {
            this.$message({
              /*上传失败*/
              type: 'error',
              message: res.msg
            })

          }
          this.$emit('refresh-intro');
        }
      )

    },
    handleAvatarSuccess(res, file) {

    },
    beforeAvatarUpload(file) {
      /*const isJPG = file.type === 'image/jpeg';*/
      const isLt2M = file.size / 1024 / 1024 < 2;

      /* if (!isJPG) {
         this.$message.error('上传头像图片只能是 JPG 格式!');
       }*/
      if (!isLt2M) {
        this.$message.error('上传头像图片大小不能超过 2MB!');
      }
      return isLt2M;
    }
  }
}
</script>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #409EFF;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}
.avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>
